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Patented Nov. 19, 1875.

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2 Sheets-Sheet 2. D. L. SMITH & P. E.. WOMER. PUMP.

Y Patented Nov. 19 1895.

(No Model.)

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DUDLEY L. SMITH AND FRANK E. \VOMER, OF FAIRHAVEN, VASHINGTON.

PUMP.

SPECIFICATION forming part of Letters Patent No. 550,141, dated November 19, Application filed June 25, 1894. Serial No. 515 ,634. (No model.)

To all whom it may concern.-

Be it known that we, DUDLEY L. SMITH and FRANK E. Women, of Fairhaven, in the county of Whatcom and State of Washington, have invented a new and Improved Pump, of which the following is a full, clear, and exact description The object of the invention is to provide a new and improved pump which is comparatively simple and durable in construction, very eifective in Operation, and more especially designed for pumping impure water and other liquid containing gravel, stones, &c.

The invention consists principally of a chamber connected'with the pump-cylinder and the suction-pipe, and by a drop or downward bend with the discharge-pipe, and inclined hinge-valves controlling the inflow and outflow of the water to and from the said chamber.

The invention also consists in certain parts and details and combinations of the same, as will be hereinafter fully described and then pointed out in the claims.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar letters of reference indicate corresponding parts in all the views.

Figure 1 is a plan view of the improvement arranged as a double-cylinder force-pump, Fig. 2 is a side elevation of the same. Fig. 3 is a transverse section of the same on the line 3 3 of Fig. 2. Fig. 4: is an enlarged sectional side elevation of the improvement on the line 4 4. of Fig. 1. Fig. 5 is a transverse section of the same on the line 5 5 of Fig. 2, and Fig. 6 is a sectional side elevation of the im provement arranged with a verticallydisposed cylinder.

The improved pump, as illustrated in Figs. 1, 2, 3, and 5, is provided with the two cylinders A and A, each containing a piston B, connected by apitman O with a crank-arm D on the main driving-shaft E, connected by a pulley E and belt with suitable machinery for imparting a rotary motion to the said shaft E to cause the pistons B in the cylinders A and A to reciprocate. The rear ends of each of the cylinders A and Aare connected with a chamber F, formed with an inlet-pipe F, connected with the suction-pipe G, the said inlet-pipe F being arranged about in alignment with the cylinder A or A. On this inlet-pipe F is arranged an inclined valve-seat F on which is seated by its own weight a valve H, having a leather face and adapted to swing upwardly by the outward movement of the piston B to permit the water to pass through the suction-pipe G and inlet-pipe F into the chamber F. The top of the chamber F is provided with a removable cover F to afford access to the valve H.

The chamber Fis provided with a drop or downward bend F connected by a pipe Iwith the pipe J, leading to the outlet-chamber J, likewise provided with an inclined valve K, similar in construction to the valve H and held on an inclined seat arranged on the pipe J. The cover J for the chamber K is removable to permit access to the valve K.

When the pump is in operation and the piston B in each cylinder reciprocates in the usual manner, then on the inward movement of the piston in the direction of the arrow a (see Fig. 4) water is drawn into the chamber F by the valve H opening upwardly, and on the outer stroke of the said piston in the inverse direction of the arrow a the water is forced out of the chamber F through the bend F pipe I, pipe J, valve K, and outlet-chamber J.

It will be seen that by having the bend F stones, gravel, and other solid matter pumped with the water readily drop over the lower end of the valve-seat F without coming in contact with the cylinder A or the piston B therein, and the said solid substances, stones, gravel, &c., are forced by the water through the bend F pipes I and J, through the valve K, to finally drop from the lower end of the valve-seat of the pipe J into the outlet-chamber J. By the arrangement described the heavy matter can readily be pumped and discharged without danger of clogging up the parts of the pump.

As illustrated in Fig. 6, the cylinder A of the pump is arranged vertically and contains a piston B, having a reciprocating motion.

The lower end of the cylinder A is connected by an elbow L with'the chamber F containing the inclined inlet-valve H, leading to the suction-pipe G. The chamber F is also provided with a drop or bend connected by the valve K with the discharge-chamber J The operation of this pump is the same as above described-that is, the water containing the impurities is drawn in on the upstroke of the piston B, and the heavy matter contained in the liquid drops off the valve-seat of the valve H without coming in contact with the piston B or cylinder A The heavy material, with the water, is discharged through the valve K into the outlet-chamber J, leading to the outside.

Having thus described our invention, we claim as new and desire to secure by Letters Patent- 1. In a pump, the combination with a cylinder and its piston, and a suction pipe, of an inlet chamber connected at one side with the suction pipe, and connected at the opposite side with the working end of the cylinder, the inlet pipe being arranged about in horizontal alignment with the working end of the cylinder and provided with an inclined valve opening into the said inlet chamber, the said chamber being formed with an unobstructed drop or bend curving downwardly and forwardly from the inlet opening and extending beneath the working end of the cylinder, as and for the purpose set forth.

2. In a pump, the combination with a eylinder and its piston, and a suction pipe, of an inlet chamber connected at one side by an inlet pipe with the suction pipe, and connected at the opposite side with the workin end of the cylinder, the inlet pipe being arranged about in horizontal alignment with the working end of the cylinder and provided with an inclined valve opening into the said inlet chamber, the said chamber being formed with an unobstructed drop or bend curving downwardly and forwardly directly from the inlet opening and extending beneath the working end of the cylinder, an outlet chamber provided with a valve at its inner side and arranged below the level of the inlet chamber and a pipe connecting the end of the drop or bend of the inlet chamber with the said outlet chamber, substantially as shown and described.

DUDLEY L. SMITH. FRANK E. WOMER. Witnesses:

\V. II. EAGER, II. J. GREEN. 

